#!/usr/bin/env python3
"""
Make a 943 in "X12" format without using the Javascript Middleware
developed by Tech4Biz.

A 943 is a replenishment shipping notice: we notify our 3PL that we have
sent them resupplies of our inventory.
"""
import datetime
import dataclasses
import typing
import pathlib
import pprint

import records
import yamamotoyama  # type:ignore


SITE_MAPPING = {
'WNJ' : 'SOURCELOGISTICS',
'WCA' : 'SOURCELOGISTICS',
'WON' : 'SHANDEX        ' #Testing value is SHANDEXTEST with spaces to 15 characters
}

SHIPPING_CODE_MAPPING = {
'' : 'LT', #Default to LTL
'AIR' : 'AP', #Air package carrier
'DEL' : 'LT', #LTL and the default if mode is not entered
'GRN' : 'D', #Parcel post
'OUR' : 'SR', #Supplier truck
'P/U' : 'CE', #Pickup
'WCALL' : 'CE', #Pickup
}

THIS_DIRECTORY = pathlib.Path(__file__).parent
X12_SHANDEX = THIS_DIRECTORY / "outgoing"


def main():
    """
    Do it!
    """
    with yamamotoyama.get_connection() as database:
        shipments = list(get_shipments(database))
        for shipment in shipments:
            write_943(database, shipment)


class X12:
    """
    X12 format parent class.
    """

    @staticmethod
    def line(items: typing.List[str]) -> str:
        """
        Return X12 EDI line with * and ~
        """

        def sanitize(thing: str) -> str:
            for bad_character in ("*", "/", "&", "#", ","):
                thing = thing.replace(bad_character, "")
            return thing

        return "*".join([sanitize(item) for item in items]) + "~"

    def x12(self) -> str:
        """
        X12 format.
        """
        raise NotImplementedError

    @staticmethod
    def control_number() -> int:
        """
        Next EDI serial number
        """
        filepath = pathlib.Path(__file__).with_suffix(".remember")
        encoding = "utf-8"
        newline = "\n"
        try:
            with filepath.open(
                "r", encoding=encoding, newline=newline
            ) as remember_file:
                number = int(remember_file.readline().rstrip("\n"))
        except (OSError, ValueError):
            number = 0
        number += 1
        with filepath.open("w", encoding=encoding, newline=newline) as remember_file:
            remember_file.write(f"{number}\n")
        return number



def write_943(database: records.Connection, shipment: str):
    """
    Write out a 943 to a file
    """
    now = datetime.datetime.now()
    site = str(get_shipment_destination(database, shipment))
    datestamp_string = now.strftime("%Y-%m-%d-%H-%M-%S")
    #2024-09-25 never sent multiple 943s, mark them as sent before processing
    with database.transaction() as _:
        database.query(
            """
            update [PROD].[SDELIVERY]
            set [XX4S_943RDY_0] = 1
            where [SOHNUM_0] = :shipment
            """,
            shipment=shipment,
        )
        order = get_order_for_shipment(database, shipment)
        database.query(
            """
            update [PROD].[SORDER]
            set [XX4S_UDF2_0] = :sent_message
            where [SOHNUM_0] = :order
            """,
            order=order,
            sent_message=f"943 Sent {datetime.date.today().isoformat()}",
        )
    with (X12_SHANDEX / f"{site}-{shipment}-{datestamp_string}-943.edi").open(
        "w", encoding="utf-8", newline="\n"
    ) as x12_file:
        output = x12_file.write
        is_header_output = False
        header = None
        detail_count = 0
        package_count = 0
        for shipment_database_row in get_shipment(database, shipment):
            ship_to_site = shipment_database_row.BPCORD_0
            mdl = shipment_database_row.MDL_0
            x12_ship_to = SITE_MAPPING[ship_to_site]
            x12_mdl = SHIPPING_CODE_MAPPING[mdl]
            header = ShipmentHeader(shipment_database_row)
            detail = ShipmentDetail(shipment_database_row)
            if not is_header_output:
                output(header.x12(x12_ship_to,x12_mdl))
                is_header_output = True
            output(detail.x12())
            detail_count += 1
            package_count += detail.qtystu_0
        if header:
            output(header.footer(package_count, detail_count))
    

def get_shipment_destination(database: records.Connection, shipment: str) -> str:
    """
    Get the destination site
    """
    return (
        database.query(
            """
        select
            [SDH].[BPCORD_0]
        from [PROD].[SDELIVERY] as [SDH]
        where
            [SDH].[SDHNUM_0] = :shipment
        """,
            shipment=shipment,
        )
        .first()
        .BPCORD_0
    )

def get_order_for_shipment(database: records.Connection, shipment: str) -> str:
    """
    What is the order for this shipment?
    """
    return (
        database.query(
            """
        select
            [SDH].[SOHNUM_0]
        from [PROD].[SDELIVERY] as [SDH]
        where
            [SDH].[SDHNUM_0] = :shipment
        """,
            shipment=shipment,
        )
        .first()
        .SOHNUM_0
    )


def get_shipments(database: records.Connection) -> typing.Iterator[str]:
    """
    What have we shipped? Fetch from X3.
    """
    for shipment_result in database.query(
        """
        select
            [SDH].[SDHNUM_0]
        from [PROD].[SDELIVERY] as [SDH]
        join [PROD].[SORDER] as [SOH]
            on [SOH].[SOHNUM_0] = [SDH].[SOHNUM_0]
        where
            (
                [SDH].[STOFCY_0] in ('PMW','WCA','WNJ')
                and [SDH].[BPCORD_0] in ('WON')
                and nullif([SDH].[MDL_0],'') is not null
                and nullif([SDH].[BPTNUM_0],'') is not null
            )
            and [SDH].[SHIDAT_0] >= {d'2023-10-09'}
            and (
                [SOH].[XX4S_UDF2_0] not like '943%'
                or [SDH].[XX4S_943RDY_0] = 2
            )
            and (
                [SDH].[CFMFLG_0] = 2
                or [SDH].[YLICPLATE_0] <> ''
                or [SDH].[XX4S_943RDY_0] = 2
                )
        """
    ):
        yield shipment_result.SDHNUM_0


def get_shipment(
    database: records.Connection, shipment: str
) -> typing.Iterator[records.Record]:
    """
    Get shipment information from X3 database.
    """
    yield from database.query(
        """
        select
               [SDHNUM_0]
		  ,[STOFCY_0]
		  ,[STOFCY]
		  ,[SDHCAT_0]
		  ,[SALFCY_0]
		  ,[SALFCY]
		  ,[SOHNUM_0]
		  ,[CUSORDREF_0]
		  ,[BPCORD_0]
		  ,[BPDNAM_0]
		  ,[BPDADDLIG_0]
		  ,[BPDADDLIG_1]
		  ,[BPDADDLIG_2]
		  ,[CTY_0]
		  ,[SAT_0]
		  ,[POSCOD_0]
		  ,[CRY_0]
		  ,[CRYNAM_0]
		  ,[BPCINV_0]
		  ,[BPINAM_0]
		  ,[BPTNUM_0]
		  ,[BPTNAM_0]
		  ,[MDL_0]
		  ,[SCAC_0]
		  ,[YLICPLATE_0]
		  ,[DLVDAT_0]
		  ,[CREDAT_0]
		  ,[UPDDAT_0]
		  ,[CCE_0]
		  ,[SOPLIN_0]
		  ,[ITMREF_0]
		  ,[ITMDES1_0]
		  ,[ZCASEUPC_0]
		  ,[EANCOD_0]
		  ,[STU_0]
		  ,[QTYSTU_0]
		  ,[LotQty]
		  ,[LOT_0]
		  ,[NETWEI_0]
		  ,[GROWEI_0]
		  ,[CFMFLG_0]
		  ,[SHIDAT_0]
        from [PROD].[zyumiddleware_shipment_shandex] as [SDH]
        where
            [SDH].[SDHNUM_0] = :shipment
        """,
        shipment=shipment,
    )


@dataclasses.dataclass
class ShipmentHeader(X12):
    """
    Header
    """

    sdhnum: str
    stofcy: str
    stofcy: str
    sdhcat: str
    salfcy: str
    salfcy: str
    sohnum: str
    cusordref: str
    bpcord: str
    bpdnam: str
    bpdaddlig: str
    bpdaddlig_1: str
    bpdaddlig_2: str
    cty: str
    sat: str
    poscod: str
    cry: str
    crynam: str
    bpcinv: str
    bpinam: str
    bptnum: str
    bptnam: str
    scac: str
    ylicplate: str
    dlvdat: datetime.date
    credat: datetime.date
    upddat: datetime.date
    cce: str
    short_control_number: str
    interchange_control_number: str
    header_segments: int
    footer_segments: int

    def __init__(self, database_row: records.Record):
        self.sdhnum = database_row.SDHNUM_0
        self.stofcy = database_row.STOFCY_0
        self.sdhcat = database_row.SDHCAT_0
        self.salfcy = database_row.SALFCY_0
        self.salfcy = database_row.SALFCY_0
        self.sohnum = database_row.SOHNUM_0
        self.cusordref = database_row.CUSORDREF_0
        self.bpcord = database_row.BPCORD_0
        self.bpdnam = database_row.BPDNAM_0
        self.bpdaddlig = database_row.BPDADDLIG_0
        self.bpdaddlig_1 = database_row.BPDADDLIG_1
        self.bpdaddlig_2 = database_row.BPDADDLIG_2
        self.cty = database_row.CTY_0
        self.sat = database_row.SAT_0
        self.poscod = database_row.POSCOD_0
        self.cry = database_row.CRY_0
        self.crynam = database_row.CRYNAM_0
        self.bpcinv = database_row.BPCINV_0
        self.bpinam = database_row.BPINAM_0
        self.bptnum = database_row.BPTNUM_0
        self.bptnam = database_row.BPTNAM_0
        self.scac = database_row.SCAC_0
        self.ylicplate = database_row.YLICPLATE_0
        self.dlvdat = database_row.DLVDAT_0
        self.credat = database_row.CREDAT_0
        self.upddat = database_row.UPDDAT_0
        self.cce = database_row.CCE_0
        self.shidat = database_row.SHIDAT_0
        raw_control_number = self.control_number()
        self.short_control_number = f"{raw_control_number:04}"
        self.interchange_control_number = (
            f"{raw_control_number:09}"  # Format to 9 characters
        )
        self.now = datetime.date.today()
        self.date = self.now.strftime("%y%m%d")
        self.long_date = self.now.strftime("%Y%m%d")
        self.time = self.now.strftime("%H%m")
        self.header_segments = 10
        self.footer_segments = 2

    def x12(self, receiver_id, mdl) -> str:
        return "".join(
            [
                f"ISA*00*          *00*          *ZZ*YAMAMOTOYAMA   *ZZ*{receiver_id}*",
                self.date,
                "*",
                self.time,
                "*U*00401*",
                self.interchange_control_number,
                "*0*P*>~",
                self.line(
                    [
                        "GS",
                        "OW",#should this be AR? Shandex okayed "OW"
                        "YAMAMOTOYAMA",
                        f"{receiver_id}",
                        self.long_date,
                        self.time,
                        self.interchange_control_number,
                        "X",
                        "004010",
                    ]
                ),
                self.line(
                    [
                        "ST",
                        "943",
                        self.short_control_number,
                    ]
                ),
                self.line(
                    [
                        "W06",
                        "N",
                        self.sohnum,
                        self.shidat.strftime("%Y%m%d"),
                        self.sdhnum,
                        "",
                        "",
                        "",
                        "",
                        "",
                        "",
                        "AS",
                    ]
                ),
                "N1*RE*Pomona Wholesale*1*008930755~",
                "N4*Pomona*CA*91768*US~",
                self.line(
                    [
                        "N1",
                        "ST",  # Ship to
                        self.bpdnam,
                        "53",  # Building
                        self.bpcord,
                    ]
                ),
                self.line(
                    [
                        "N3",
                        self.bpdaddlig,
                    ]
                ),
                self.line(
                    [
                        "N4",
                        self.cty,
                        self.sat,
                        self.poscod,
                        self.cry,
                    ]
                ),
                self.line(
                    [
                        "N9",
                        "PO",
                        self.cusordref,
                    ]
                ),
                self.line(
                    [
                        "G62",
                        "17",
                        self.dlvdat.strftime("%Y%m%d"),
                    ]
                ),
                self.line(
                    [
                    "W27",
                    f"{mdl}",
                    self.scac,
                    ]
                ),
            ]
        )

    def footer(self, package_count: int, detail_count: int):
        """
        End footer
        """
        segment_count = self.header_segments + (detail_count * 3) + self.footer_segments
        return "".join(
            [
                self.line(
                    [
                        "W03",
                        str(int(package_count)),
                    ]
                ),
                self.line(
                    [
                        "SE",
                        str(segment_count),
                        self.short_control_number,
                    ]
                ),
                self.line(
                    [
                        "GE",
                        "1",
                        self.interchange_control_number,
                    ]
                ),
                self.line(
                    [
                        "IEA",
                        "1",
                        self.interchange_control_number,
                    ]
                ),
            ]
        )


@dataclasses.dataclass
class ShipmentDetail(X12):
    """
    Shipment detail.
    """

    soplin_0: str
    itmref_0: str
    itmdes1_0: str
    stu_0: str
    qtystu_0: int
    lot_0: str
    stofcy_0: str
    zcaseupc_0: str
    eancod_0: str
    gtin_or_upc_code: str
    gtin_or_upc_marker: str

    def __init__(self, db_record: records.Record):
        self.soplin_0 = str(db_record.SOPLIN_0)
        self.itmref_0 = db_record.ITMREF_0
        self.itmdes1_0 = db_record.ITMDES1_0
        self.stu_0 = db_record.STU_0
        self.qtystu_0 = db_record.LotQty
        self.lot_0 = db_record.LOT_0
        self.stofcy_0 = db_record.STOFCY_0
        if self.stofcy_0 == 'WON' and self.stu_0 == 'CS': #Shadex requires CA for cases
            self.stu_0 = 'CA'
        self.zcaseupc_0 = db_record.ZCASEUPC_0
        self.eancod_0 = db_record.EANCOD_0
        self.gtin_or_upc_marker = 'UK'
        if self.stu_0 == 'CS':
            self.gtin_or_upc_code = self.zcaseupc_0
        else:
            self.gtin_or_upc_code = self.eancod_0

    def x12(self) -> str:
        """
        Format in X12
        """

        return "".join(
            [
                self.line(
                    [
                        "W04",
                        str(int(self.qtystu_0)),
                        self.stu_0,
                        "",
                        "VN",  # Vendor's (Seller's) Item Number
                        self.itmref_0,
                        "LT",  # Lot number
                        self.lot_0,
                        "",
                        "",
                        "",
                        "",
                        "",
                        "",
                        self.gtin_or_upc_marker,
                        self.gtin_or_upc_code.replace(' ',''),#W04-15
                    ]
                ),
                self.line(
                    [
                        "G69",
                        self.itmdes1_0,
                    ]
                ),
                self.line(
                    [
                        "N9",
                        "LI",
                        self.soplin_0,
                    ]
                ),
            ]
        )


if __name__ == "__main__":
    main()